CVE-2026-44212

CRITICAL

PrestaShop: Stored XSS executable in customer service view

Title source: cna
STIX 2.1

Description

PrestaShop is an open source e-commerce web application. Prior to 8.2.6 and 9.1.1, there is a stored Cross-Site Scripting (XSS) vulnerability in the PrestaShop back-office Customer Service view. An unauthenticated attacker can submit the public Contact Us form with a malicious email address. The payload is stored in the database and executed when a back-office employee opens the affected customer thread, enabling session hijacking and full back-office takeover. This vulnerability is fixed in 8.2.6 and 9.1.1.

References (1)

Core 1
Core References

Scores

CVSS v3 9.3
EPSS 0.0031
EPSS Percentile 22.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-79
Status published
Products (2)
PrestaShop/PrestaShop < 8.2.6
PrestaShop/PrestaShop >= 9.0.0-alpha.1, < 9.1.1
Published May 14, 2026
Tracked Since May 15, 2026